440 lines
14 KiB
C++
440 lines
14 KiB
C++
/* This file is part of Clementine.
|
|
Copyright 2018, Vikram Ambrose <ambroseworks@gmail.com>
|
|
|
|
Clementine is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Clementine is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "fancytabwidget.h"
|
|
|
|
#include <QDebug>
|
|
#include <QMenu>
|
|
#include <QMouseEvent>
|
|
#include <QPainter>
|
|
#include <QSettings>
|
|
#include <QStylePainter>
|
|
#include <QTabBar>
|
|
#include <QTimer>
|
|
#include <QVBoxLayout>
|
|
|
|
#include "core/logging.h"
|
|
#include "stylehelper.h"
|
|
|
|
const QSize FancyTabWidget::IconSize_LargeSidebar = QSize(24, 24);
|
|
const QSize FancyTabWidget::IconSize_SmallSidebar = QSize(22, 22);
|
|
|
|
const QSize FancyTabWidget::TabSize_LargeSidebar = QSize(70, 47);
|
|
|
|
class FancyTabBar : public QTabBar {
|
|
private:
|
|
int mouseHoverTabIndex = -1;
|
|
QMap<QWidget*, QString> labelCache;
|
|
|
|
public:
|
|
explicit FancyTabBar(QWidget* parent = 0) : QTabBar(parent) {
|
|
setMouseTracking(true);
|
|
}
|
|
|
|
QSize sizeHint() const {
|
|
QSize size(QTabBar::sizeHint());
|
|
|
|
FancyTabWidget* tabWidget = (FancyTabWidget*)parentWidget();
|
|
if (tabWidget->mode() == FancyTabWidget::Mode_Tabs ||
|
|
tabWidget->mode() == FancyTabWidget::Mode_IconOnlyTabs)
|
|
return size;
|
|
|
|
QSize tabSize(tabSizeHint(0));
|
|
size.setWidth(tabSize.width());
|
|
int guessHeight = tabSize.height() * count();
|
|
if (guessHeight > size.height()) size.setHeight(guessHeight);
|
|
return size;
|
|
}
|
|
|
|
int width() { return tabSizeHint(0).width(); }
|
|
|
|
protected:
|
|
QSize tabSizeHint(int index) const {
|
|
FancyTabWidget* tabWidget = (FancyTabWidget*)parentWidget();
|
|
QSize size = FancyTabWidget::TabSize_LargeSidebar;
|
|
|
|
if (tabWidget->mode() != FancyTabWidget::Mode_LargeSidebar) {
|
|
size = QTabBar::tabSizeHint(index);
|
|
}
|
|
|
|
return size;
|
|
}
|
|
|
|
void leaveEvent(QEvent* event) {
|
|
mouseHoverTabIndex = -1;
|
|
update();
|
|
}
|
|
|
|
void mouseMoveEvent(QMouseEvent* event) {
|
|
QPoint pos = event->pos();
|
|
|
|
mouseHoverTabIndex = tabAt(pos);
|
|
if (mouseHoverTabIndex > -1) update();
|
|
QTabBar::mouseMoveEvent(event);
|
|
}
|
|
|
|
void paintEvent(QPaintEvent* pe) {
|
|
FancyTabWidget* tabWidget = (FancyTabWidget*)parentWidget();
|
|
|
|
bool verticalTextTabs = false;
|
|
|
|
if (tabWidget->mode() == FancyTabWidget::Mode_SmallSidebar)
|
|
verticalTextTabs = true;
|
|
|
|
// Restore any label text that was hidden/cached for the IconOnlyTabs mode
|
|
if (labelCache.count() > 0 &&
|
|
tabWidget->mode() != FancyTabWidget::Mode_IconOnlyTabs) {
|
|
for (int i = 0; i < count(); i++) {
|
|
setTabText(i, labelCache[tabWidget->widget(i)]);
|
|
}
|
|
labelCache.clear();
|
|
}
|
|
if (tabWidget->mode() != FancyTabWidget::Mode_LargeSidebar &&
|
|
tabWidget->mode() != FancyTabWidget::Mode_SmallSidebar) {
|
|
// Cache and hide label text for IconOnlyTabs mode
|
|
if (tabWidget->mode() == FancyTabWidget::Mode_IconOnlyTabs &&
|
|
labelCache.count() == 0) {
|
|
for (int i = 0; i < count(); i++) {
|
|
labelCache[tabWidget->widget(i)] = tabText(i);
|
|
setTabText(i, "");
|
|
}
|
|
}
|
|
QTabBar::paintEvent(pe);
|
|
return;
|
|
}
|
|
|
|
QStylePainter p(this);
|
|
|
|
for (int index = 0; index < count(); index++) {
|
|
const bool selected = tabWidget->currentIndex() == index;
|
|
;
|
|
|
|
QRect tabrect = tabRect(index);
|
|
|
|
QRect selectionRect = tabrect;
|
|
|
|
if (selected) {
|
|
// Selection highlight
|
|
p.save();
|
|
QLinearGradient grad(selectionRect.topLeft(), selectionRect.topRight());
|
|
grad.setColorAt(0, QColor(255, 255, 255, 140));
|
|
grad.setColorAt(1, QColor(255, 255, 255, 210));
|
|
p.fillRect(selectionRect.adjusted(0, 0, 0, -1), grad);
|
|
p.restore();
|
|
|
|
// shadow lines
|
|
p.setPen(QColor(0, 0, 0, 110));
|
|
p.drawLine(selectionRect.topLeft() + QPoint(1, -1),
|
|
selectionRect.topRight() - QPoint(0, 1));
|
|
p.drawLine(selectionRect.bottomLeft(), selectionRect.bottomRight());
|
|
p.setPen(QColor(0, 0, 0, 40));
|
|
p.drawLine(selectionRect.topLeft(), selectionRect.bottomLeft());
|
|
|
|
// highlights
|
|
p.setPen(QColor(255, 255, 255, 50));
|
|
p.drawLine(selectionRect.topLeft() + QPoint(0, -2),
|
|
selectionRect.topRight() - QPoint(0, 2));
|
|
p.drawLine(selectionRect.bottomLeft() + QPoint(0, 1),
|
|
selectionRect.bottomRight() + QPoint(0, 1));
|
|
p.setPen(QColor(255, 255, 255, 40));
|
|
p.drawLine(selectionRect.topLeft() + QPoint(0, 0),
|
|
selectionRect.topRight());
|
|
p.drawLine(selectionRect.topRight() + QPoint(0, 1),
|
|
selectionRect.bottomRight() - QPoint(0, 1));
|
|
p.drawLine(selectionRect.bottomLeft() + QPoint(0, -1),
|
|
selectionRect.bottomRight() - QPoint(0, 1));
|
|
}
|
|
|
|
// Mouse hover effect
|
|
if (!selected && index == mouseHoverTabIndex && isTabEnabled(index)) {
|
|
p.save();
|
|
QLinearGradient grad(selectionRect.topLeft(), selectionRect.topRight());
|
|
grad.setColorAt(0, Qt::transparent);
|
|
grad.setColorAt(0.5, QColor(255, 255, 255, 40));
|
|
grad.setColorAt(1, Qt::transparent);
|
|
p.fillRect(selectionRect, grad);
|
|
p.setPen(QPen(grad, 1.0));
|
|
p.drawLine(selectionRect.topLeft(), selectionRect.topRight());
|
|
p.drawLine(selectionRect.bottomRight(), selectionRect.bottomLeft());
|
|
p.restore();
|
|
}
|
|
|
|
// Label (Icon and Text)
|
|
{
|
|
p.save();
|
|
QTransform m;
|
|
int textFlags;
|
|
Qt::Alignment iconFlags;
|
|
|
|
QRect tabrectText;
|
|
QRect tabrectLabel;
|
|
|
|
if (verticalTextTabs) {
|
|
m = QTransform::fromTranslate(tabrect.left(), tabrect.bottom());
|
|
m.rotate(-90);
|
|
textFlags = Qt::AlignLeft | Qt::AlignVCenter;
|
|
iconFlags = Qt::AlignLeft | Qt::AlignVCenter;
|
|
|
|
tabrectLabel = QRect(QPoint(0, 0), m.mapRect(tabrect).size());
|
|
|
|
tabrectText = tabrectLabel;
|
|
tabrectText.translate(30, 0);
|
|
} else {
|
|
m = QTransform::fromTranslate(tabrect.left(), tabrect.top());
|
|
textFlags = Qt::AlignHCenter | Qt::AlignBottom;
|
|
iconFlags = Qt::AlignHCenter | Qt::AlignTop;
|
|
|
|
tabrectLabel = QRect(QPoint(0, 0), m.mapRect(tabrect).size());
|
|
|
|
tabrectText = tabrectLabel;
|
|
tabrectText.translate(0, -5);
|
|
}
|
|
|
|
p.setTransform(m);
|
|
|
|
QFont boldFont(p.font());
|
|
boldFont.setPointSizeF(Utils::StyleHelper::sidebarFontSize());
|
|
boldFont.setBold(true);
|
|
p.setFont(boldFont);
|
|
|
|
// Text drop shadow color
|
|
p.setPen(selected ? QColor(255, 255, 255, 160) : QColor(0, 0, 0, 110));
|
|
p.translate(0, 3);
|
|
p.drawText(tabrectText, textFlags, tabText(index));
|
|
|
|
// Text foreground color
|
|
p.translate(0, -1);
|
|
p.setPen(selected ? QColor(60, 60, 60)
|
|
: Utils::StyleHelper::panelTextColor());
|
|
p.drawText(tabrectText, textFlags, tabText(index));
|
|
|
|
// Draw the icon
|
|
QRect tabrectIcon;
|
|
const int PADDING = 5;
|
|
if (verticalTextTabs) {
|
|
tabrectIcon = tabrectLabel;
|
|
tabrectIcon.setSize(FancyTabWidget::IconSize_SmallSidebar);
|
|
tabrectIcon.translate(PADDING, PADDING);
|
|
} else {
|
|
tabrectIcon = tabrectLabel;
|
|
tabrectIcon.setSize(FancyTabWidget::IconSize_LargeSidebar);
|
|
// Center the icon
|
|
const int moveRight =
|
|
(FancyTabWidget::TabSize_LargeSidebar.width() -
|
|
FancyTabWidget::IconSize_LargeSidebar.width() - 1) /
|
|
2;
|
|
tabrectIcon.translate(moveRight, PADDING);
|
|
}
|
|
tabIcon(index).paint(&p, tabrectIcon, iconFlags);
|
|
p.restore();
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
// Spacers are just disabled pages
|
|
void FancyTabWidget::addSpacer() {
|
|
QWidget* spacer = new QWidget();
|
|
const int index = addTab(spacer, QIcon(), QString());
|
|
setTabEnabled(index, false);
|
|
}
|
|
|
|
void FancyTabWidget::setBackgroundPixmap(const QPixmap& pixmap) {
|
|
background_pixmap_ = pixmap;
|
|
update();
|
|
}
|
|
|
|
void FancyTabWidget::setCurrentIndex(int index) {
|
|
QWidget* currentPage = widget(index);
|
|
|
|
QLayout* layout = currentPage->layout();
|
|
if (bottom_widget_ != nullptr) layout->addWidget(bottom_widget_);
|
|
|
|
QTabWidget::setCurrentIndex(index);
|
|
}
|
|
|
|
// Slot
|
|
void FancyTabWidget::currentTabChanged(int index) {
|
|
QWidget* currentPage = currentWidget();
|
|
|
|
QLayout* layout = currentPage->layout();
|
|
if (bottom_widget_ != nullptr) layout->addWidget(bottom_widget_);
|
|
emit CurrentChanged(index);
|
|
}
|
|
|
|
FancyTabWidget::FancyTabWidget(QWidget* parent)
|
|
: QTabWidget(parent),
|
|
menu_(nullptr),
|
|
mode_(Mode_None),
|
|
bottom_widget_(nullptr) {
|
|
FancyTabBar* tabBar = new FancyTabBar(this);
|
|
|
|
setTabBar(tabBar);
|
|
setTabPosition(QTabWidget::West);
|
|
setMovable(true);
|
|
|
|
connect(tabBar, SIGNAL(currentChanged(int)), this,
|
|
SLOT(currentTabChanged(int)));
|
|
}
|
|
|
|
void FancyTabWidget::loadSettings(const QSettings& settings) {
|
|
for (int i = 0; i < count(); i++) {
|
|
int originalIndex = tabBar()->tabData(i).toInt();
|
|
QString k = "tab_index_" + QString::number(originalIndex);
|
|
|
|
int newIndex = settings.value(k, i).toInt();
|
|
|
|
if (newIndex >= 0)
|
|
tabBar()->moveTab(i, newIndex);
|
|
else
|
|
removeTab(i); // Does not delete page
|
|
}
|
|
}
|
|
|
|
void FancyTabWidget::saveSettings(QSettings* settings) {
|
|
for (int i = 0; i < count(); i++) {
|
|
int originalIndex = tabBar()->tabData(i).toInt();
|
|
QString k = "tab_index_" + QString::number(originalIndex);
|
|
|
|
settings->setValue(k, i);
|
|
}
|
|
}
|
|
|
|
void FancyTabWidget::addBottomWidget(QWidget* widget) {
|
|
bottom_widget_ = widget;
|
|
}
|
|
|
|
int FancyTabWidget::addTab(QWidget* page, const QIcon& icon,
|
|
const QString& label) {
|
|
return insertTab(count(), page, icon, label);
|
|
}
|
|
|
|
int FancyTabWidget::insertTab(int index, QWidget* page, const QIcon& icon,
|
|
const QString& label) {
|
|
// In order to achieve the same effect as the "Bottom Widget" of the
|
|
// old Nokia based FancyTabWidget a VBoxLayout is used on each page
|
|
QVBoxLayout* layout = new QVBoxLayout();
|
|
layout->setSpacing(0);
|
|
layout->setContentsMargins(0, 0, 0, 0);
|
|
layout->addWidget(page);
|
|
|
|
QWidget* newPage = new QWidget();
|
|
newPage->setLayout(layout);
|
|
|
|
const int actualIndex = QTabWidget::insertTab(index, newPage, icon, label);
|
|
|
|
// Remember the original index. Needed to save order of tabs
|
|
tabBar()->setTabData(actualIndex, QVariant(actualIndex));
|
|
return actualIndex;
|
|
}
|
|
|
|
void FancyTabWidget::paintEvent(QPaintEvent* pe) {
|
|
if (mode() != FancyTabWidget::Mode_LargeSidebar &&
|
|
mode() != FancyTabWidget::Mode_SmallSidebar) {
|
|
QTabWidget::paintEvent(pe);
|
|
return;
|
|
}
|
|
QStylePainter p(this);
|
|
|
|
// The brown color (Ubuntu) you see on the background gradient
|
|
QColor baseColor = StyleHelper::baseColor();
|
|
|
|
QRect backgroundRect = rect();
|
|
backgroundRect.setWidth(((FancyTabBar*)tabBar())->width());
|
|
p.fillRect(backgroundRect, baseColor);
|
|
|
|
// Horizontal gradient over the sidebar from transparent to dark
|
|
Utils::StyleHelper::verticalGradient(&p, backgroundRect, backgroundRect,
|
|
false);
|
|
|
|
// Draw the translucent png graphics over the gradient fill
|
|
{
|
|
if (!background_pixmap_.isNull()) {
|
|
QRect pixmap_rect(background_pixmap_.rect());
|
|
pixmap_rect.moveTo(backgroundRect.topLeft());
|
|
|
|
while (pixmap_rect.top() < backgroundRect.bottom()) {
|
|
QRect source_rect(pixmap_rect.intersected(backgroundRect));
|
|
source_rect.moveTo(0, 0);
|
|
p.drawPixmap(pixmap_rect.topLeft(), background_pixmap_, source_rect);
|
|
pixmap_rect.moveTop(pixmap_rect.bottom() - 10);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Shadow effect of the background
|
|
{
|
|
QColor light(255, 255, 255, 80);
|
|
p.setPen(light);
|
|
p.drawLine(backgroundRect.topRight() - QPoint(1, 0),
|
|
backgroundRect.bottomRight() - QPoint(1, 0));
|
|
QColor dark(0, 0, 0, 90);
|
|
p.setPen(dark);
|
|
p.drawLine(backgroundRect.topLeft(), backgroundRect.bottomLeft());
|
|
|
|
p.setPen(Utils::StyleHelper::borderColor());
|
|
p.drawLine(backgroundRect.topRight(), backgroundRect.bottomRight());
|
|
}
|
|
}
|
|
|
|
void FancyTabWidget::tabBarUpdateGeometry() { tabBar()->updateGeometry(); }
|
|
|
|
void FancyTabWidget::SetMode(FancyTabWidget::Mode mode) {
|
|
mode_ = mode;
|
|
|
|
if (mode == FancyTabWidget::Mode_Tabs ||
|
|
mode == FancyTabWidget::Mode_IconOnlyTabs) {
|
|
setTabPosition(QTabWidget::North);
|
|
} else {
|
|
setTabPosition(QTabWidget::West);
|
|
}
|
|
|
|
tabBar()->updateGeometry();
|
|
updateGeometry();
|
|
|
|
// There appears to be a bug in QTabBar which causes tabSizeHint
|
|
// to be ignored thus the need for this second shot repaint
|
|
QTimer::singleShot(1, this, SLOT(tabBarUpdateGeometry()));
|
|
|
|
emit ModeChanged(mode);
|
|
}
|
|
|
|
void FancyTabWidget::addMenuItem(QActionGroup* group, const QString& text,
|
|
Mode mode) {
|
|
QAction* action = group->addAction(text);
|
|
action->setCheckable(true);
|
|
connect(action, &QAction::triggered, [this, mode]() { SetMode(mode); });
|
|
|
|
if (mode == mode_) action->setChecked(true);
|
|
}
|
|
|
|
void FancyTabWidget::contextMenuEvent(QContextMenuEvent* e) {
|
|
if (!menu_) {
|
|
menu_ = new QMenu(this);
|
|
|
|
QActionGroup* group = new QActionGroup(this);
|
|
addMenuItem(group, tr("Large sidebar"), Mode_LargeSidebar);
|
|
addMenuItem(group, tr("Small sidebar"), Mode_SmallSidebar);
|
|
addMenuItem(group, tr("Plain sidebar"), Mode_PlainSidebar);
|
|
addMenuItem(group, tr("Tabs on top"), Mode_Tabs);
|
|
addMenuItem(group, tr("Icons on top"), Mode_IconOnlyTabs);
|
|
menu_->addActions(group->actions());
|
|
}
|
|
|
|
menu_->popup(e->globalPos());
|
|
}
|